Specifically designed for the Gen 4 Glock 17, 22 and 31 handguns, the patented weapon light replaces your Glock factory guide rod with an internal weapon light & guide rod assembly. 
This essential add-on is perfect for every EDC, personal defense, and tactical purpose. It allows you the opportunity to add a flashlight to your favorite Glock with out having to go purchase yet another holster. Also keeps your handgun compact and very well balanced.
Installation takes minutes…….No gunsmithing required!